1966 Ford Mustang Convertible For Sale. C code 289 V8 car, power steering, automatic transmission, 14"Â steel wheels with styled steel style hubcaps, new radial white wall tires, Arcadian blue exterior with accenting GT style rocker stripe, power convertible top, black top boot, bucket seat interior, Rally Pac accessory gauges, under dash auxiliary gauges. Put the top down and take a cruise in one of the most iconic automobiles ever built. Automotive History: When Ford introduced the Mustang it looked like nothing the world has ever seen before in April of 1964. More than 417,000 were sold within a year, a new Detroit record. Bucket seats and a floor shifter were standard, and either six-cylinder or 289-cid V-8 power was available under that long hood. The Mustang has undergone several transformations to its current sixth generation.